Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Reading cannot make your life longer, but reading really makes your life

                                         A                              B                            C

more thicker.

      D

A. The possibility of changing the Martian environment

B. The challenge of interplanetary travel

C. The advantages of establishing colonies on Mars

D. The need to study Martian ecology

B. lacks

C. hopes

D. neglects

A. The work I do is harder, so I get better grades.

B. I work harder than before even if I get better grades.

C. The harder I work, the better grades I get.

D. The work I do is better, so I work harder.

A. appealing

B. committed

C. specialized

D. admitted

A. has read / make

B. was reading/made

C. had read/made

D. read / had made

A. humanity

B. civilization

C. constitution

D. philosophy

A. hadn't received / moved

B. don't receive / had moved

C. didn't receive / have moved

D. haven't received/moved